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6243243005 = 51248648601
BaseRepresentation
bin1011101000010000…
…00101001111111101
3121010002202121100102
411310020011033331
5100241232234010
62511302210445
7310466455436
oct56410051775
917102677312
106243243005
11271416996a
121262a23a25
137865b3a3c
1443324a48d
15268184ba5
hex1742053fd

6243243005 has 4 divisors (see below), whose sum is σ = 7491891612. Its totient is φ = 4994594400.

The previous prime is 6243242959. The next prime is 6243243023. The reversal of 6243243005 is 5003423426.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 854802169 + 5388440836 = 29237^2 + 73406^2 .

It is not a de Polignac number, because 6243243005 - 210 = 6243241981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 624324296 + ... + 624324305.

It is an arithmetic number, because the mean of its divisors is an integer number (1872972903).

Almost surely, 26243243005 is an apocalyptic number.

It is an amenable number.

6243243005 is a deficient number, since it is larger than the sum of its proper divisors (1248648607).

6243243005 is a wasteful number, since it uses less digits than its factorization.

6243243005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248648606.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 6243243005 is about 79014.1949588806. The cubic root of 6243243005 is about 1841.3516970917.

The spelling of 6243243005 in words is "six billion, two hundred forty-three million, two hundred forty-three thousand, five".

Divisors: 1 5 1248648601 6243243005